GC America COE-COMFORT Tissue Conditioner Powder 5 lbsCoe Comfort is a self curing, edentulous conditioner that contains zinc undecylenate to reduce odor and prevent fungi from growing. By lining this substance, it helps the underlying tissue bearing the denture to recover and maintain good health. This product also functions as an impression material. The professional package includes the following: one 6 oz Liquid.